1132442143 has 4 divisors (see below), whose sum is σ = 1294219600. Its totient is φ = 970664688.

The previous prime is 1132442081. The next prime is 1132442153. The reversal of 1132442143 is 3412442311.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1132442143 - 2²¹ = 1130344991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132442153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80888718 + ... + 80888731.

It is an arithmetic number, because the mean of its divisors is an integer number (323554900).

Almost surely, 2^1132442143 is an apocalyptic number.

1132442143 is a deficient number, since it is larger than the sum of its proper divisors (161777457).

1132442143 is an equidigital number, since it uses as much as digits as its factorization.

1132442143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161777456.

The product of its digits is 2304, while the sum is 25.

The square root of 1132442143 is about 33651.7777093573. Note that the first 4 decimals coincide. The cubic root of 1132442143 is about 1042.3302479578.

Adding to 1132442143 its reverse (3412442311), we get a palindrome (4544884454).

The spelling of 1132442143 in words is "one billion, one hundred thirty-two million, four hundred forty-two thousand, one hundred forty-three".